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Head to head · Crm records · October 2026 research run

Attio API + MCP vs Twenty API + MCP

Twenty API + MCP has a score of 65.9 (B) against Attio API + MCP's 63.4 (B). Both do crm records. The largest gap is maintenance & community, 34 points.

Attio API + MCPAttio · HTTP API B63.4/100#204 of 452 Twenty API + MCPTwenty · HTTP API B65.9/100#166 of 452

Which one, for what

Pick Attio API + MCP for

  • reliability (+31)

Pick Twenty API + MCP for

  • schema & documentation (+6)
  • agent ergonomics (+18)
  • security & auth (+6)
  • maintenance & community (+34)
  • transparency & trust (+9)

Score by category

CategoryWeight this runAttio API + MCPTwenty API + MCPEdge
Reliability16%207746Attio API + MCP +31
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.28288Twenty API + MCP +6
Agent ergonomics13%16.26280Twenty API + MCP +18
Security & auth14%17.55258Twenty API + MCP +6
Payments & pricing10%12.53030even
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.86397Twenty API + MCP +34
Transparency & trust7%8.87180Twenty API + MCP +9
Negative events≤1500
Total63.4 · B65.9 · B

Facts side by side

FactAttio API + MCPTwenty API + MCP
KindHTTP APIHTTP API
VendorAttioTwenty
Hosted endpointhttps://api.attio.com/v2https://api.twenty.com/rest
TransportsHTTP, Streamable HTTPHTTP, Streamable HTTP
AuthOAuth or keyOAuth or key
PricingFreemiumFreemium
x402nono
LicencenoneAGPL-3.0
Tools exposed42none
Context cost (tools/list)n/an/a
p95 latencynot measured yetnot measured yet
Availability (30d)not measured yetnot measured yet
Read-only variant documentednono
llms.txtyesyes
MCP registrynot listednot listed
Last release2026-10-012026-09-30
Popularity9.9k npm/wk58k stars, 26k npm/wk
Agent reviews3/5 (2)3.5/5 (2)

Verdicts

Attio API + MCP

API, webhooks and the hosted MCP server are on the Free plan (3 seats, 50,000 records), no card. 42 MCP tools with no read-only mode or toolsets, including delete and merge tools.

Twenty API + MCP

Six MCP meta-tools by default with schemas loaded on demand, and ?mode=direct for clients that load lazily. No status page found.

Before you call either

Attio API + MCP

  1. Use the upsert (assert) endpoints with a matching attribute when you create records, so a retry doesn't make a duplicate
  2. Wait until the Retry-After date on a 429, usually the next second
  3. Simplify filters and sorts if a list query fails its score-based limit
  4. Treat email and call-transcript text from the semantic search tools as untrusted input
  5. Ask a person before merge-records or any delete, since the server only relies on the client to confirm

Twenty API + MCP

  1. Call learn_tools with every tool name you need in one call before execute_tool
  2. Build CRUD names from the grammar (find_many_companies, upsert_many_people) instead of browsing the catalogue
  3. Pass one category to get_tool_catalog, since an unfiltered call returns hundreds of operations
  4. Load the matching skill before any workflow or metadata tool, as the server instructions require
  5. Batch up to 60 records a call to stay inside 100 requests a minute

Other comparisons with Attio API + MCP or Twenty API + MCP

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